JPS61122340U - - Google Patents
Info
- Publication number
- JPS61122340U JPS61122340U JP531885U JP531885U JPS61122340U JP S61122340 U JPS61122340 U JP S61122340U JP 531885 U JP531885 U JP 531885U JP 531885 U JP531885 U JP 531885U JP S61122340 U JPS61122340 U JP S61122340U
- Authority
- JP
- Japan
- Prior art keywords
- intake
- sub
- intake port
- valve
- engine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図は本考案による複吸気弁エンジンのシリ
ンダヘツドのほぼ水平な面に沿つた断面略図、第
２図は第１図のエンジンの燃焼噴射弁を通る垂直
断面図、第３図は吸気弁の開閉時期を説明するグ
ラフ、第４図は本考案の他の実施例の第１図同様
の略図である。
１……シリンダヘツド、８……燃焼室、１６…
…主吸気ポート、１７……第１副吸気ポート、１
８……第２幅吸気ポート、２０……主吸気弁、２
１……第１幅吸気弁、２２……第２副吸気弁、２
４……吸気制御弁、４６……燃料噴射弁、６０…
…絞り。
1 is a schematic cross-sectional view along an approximately horizontal plane of the cylinder head of a dual-intake valve engine according to the invention; FIG. 2 is a vertical sectional view through the combustion injection valve of the engine of FIG. 1; and FIG. 3 is a cross-sectional view of the intake valve. FIG. 4 is a schematic diagram similar to FIG. 1 of another embodiment of the present invention. 1...Cylinder head, 8...Combustion chamber, 16...
...Main intake port, 17...First sub-intake port, 1
8...Second width intake port, 20...Main intake valve, 2
1...First width intake valve, 22...Second sub-intake valve, 2
4...Intake control valve, 46...Fuel injection valve, 60...
...Aperture.
Claims (1)
せる常時開放の主吸気ポートと、燃焼室内にスト
レートの吸気を供給する副吸気ポートを具え、前
記副吸気ポートはエンジンの負荷に応じて開閉さ
れる吸気制御弁とその下流側に配置された燃料噴
射弁とを有し、前記主、副の両ポートを主、副の
吸気弁を介して燃焼室に接続した複吸気弁エンジ
ンにおいて、 前記副吸気ポートの前記吸気制御弁に代えて絞
りを設置したことを特徴とする複吸気弁エンジン
。 ２ 前記副吸気ポートが第１の副吸気ポートと第
２の副吸気ポートとからなり、前記第１の副吸気
ポートにはエンジンの負荷に応じて開閉される吸
気制御弁を設け、前記第２の副吸気ポートには絞
りとその下流側の燃料噴射弁とを設けた実用新案
登録請求の範囲第１項記載の複吸気弁エンジン。 ３ 前記第２の副吸気ポートに対応する吸気弁の
開弁時期及び閉弁時期が、他のポートに対応する
吸気弁の開弁時期及び閉弁時期よりそれぞれ遅れ
て設定されている実用新案登録請求の範囲第２項
記載の複吸気弁エンジン。[Claims for Utility Model Registration] 1. A main intake port that is always open to generate a swirl in the intake air supplied into the combustion chamber, and a sub-intake port that supplies straight intake air into the combustion chamber, and the sub-intake port is connected to the engine. A double intake system that has an intake control valve that opens and closes depending on the load and a fuel injection valve located downstream of the intake control valve, and that both the main and auxiliary ports are connected to the combustion chamber via the main and auxiliary intake valves. A dual intake valve engine, characterized in that a throttle is installed in place of the intake control valve of the auxiliary intake port. 2. The sub-intake port includes a first sub-intake port and a second sub-intake port, the first sub-intake port is provided with an intake control valve that opens and closes depending on the engine load, and the second sub-intake port 2. The dual intake valve engine according to claim 1, wherein the auxiliary intake port of the engine is provided with a throttle and a fuel injection valve downstream of the throttle. 3 Utility model registration in which the opening timing and closing timing of the intake valve corresponding to the second sub-intake port are set later than the opening timing and closing timing of the intake valves corresponding to other ports, respectively. A dual intake valve engine according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP531885U JPS61122340U (en) | 1985-01-21 | 1985-01-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP531885U JPS61122340U (en) | 1985-01-21 | 1985-01-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61122340U true JPS61122340U (en) | 1986-08-01 |
Family
ID=30481711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP531885U Pending JPS61122340U (en) | 1985-01-21 | 1985-01-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61122340U (en) |
-
1985
- 1985-01-21 JP JP531885U patent/JPS61122340U/ja active Pending